/Engine/Source/Runtime/Engine/Public/Animation/AttributesRuntime.h
Blend custom attribute values from N set of inputs, using bone filter pose weights
static void BlendAttributesPerBoneFilter ( const [FStackAttributeContainer](API\Runtime\Engine\Animation\FStackAttributeContainer) & BaseAttributes, const [TArrayView](API\Runtime\Core\Containers\TArrayView)< const [FStackAttributeContainer](API\Runtime\Engine\Animation\FStackAttributeContainer) > BlendAttributes, const [TArray](API\Runtime\Core\Containers\TArray)< [FPerBoneBlendWeight](API\Runtime\Engine\Animation\FPerBoneBlendWeight) > & BoneBlendWeights, [FStackAttributeContainer](API\Runtime\Engine\Animation\FStackAttributeContainer) & OutAttributes )